EEG 212 FINAL REVIEW AND EXAM A UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

EEG 212 FINAL REVIEW AND EXAM A UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. The suffix -"itis" means _______. Select one:
a. incision
b. tumor
c. inflammation
d. excision
Answer:
c. inflammation

Question:
2. The distance from Fz to Pz is ______ . Select one:
a. 40% of the distance between the nasion and the inion
b. identical to the distance from C3 to P3
c. identical to the distance from the nasion to Fz
d. 20% of the distance between the nasion and the inion
Answer:
a. 40% of the distance between the nasion and the inion

Question:
3. Due to a central scalp lesion, C4 has to be relocated 4 mm anteriorly. The technologist should ____.
Select one:
a. relocate P3 4 mm anteriorly
b. relocate all electrodes in the right parasagittal plane 4 mm anteriorly.
c. make no other placement changes
d. relocate C3 4 mm anteriorly
Answer:
d. relocate C3 4 mm anteriorly

Question:
4. When a circuit exists for current to flow from one instrument through the patient, to another instrument
and then to ground, then back to the first instrument and then cycle through the patient again, though not
likely to happen with modern medical instruments, this is called _________. Select one:
a. A ground loop
b. A resistor in series
c. A short circuit
d. A resistor in parallel
Answer:
a. A ground loop

, Question:
5. A resistor: Select one:
a. limits current
b. is a synonym for capacitor
c. holds charge
Answer:
a. limits current

Question:
6. Aliasing is caused by: Select one:
a. insufficient sampling rate
b. 60 Hz interference
c. insufficient amplifier gain
d. improper electrode placement
Answer:
a. insufficient sampling rate

Question:
7. All electrodes used in END testing should have _____. Select one:
a. Exposed metal pin connectors
b. 2 mm pin connectors
c. DIN 42-802 standard connectors
d. 5 mm pin connectors
Answer:
c. DIN 42-802 standard connectors

Question:
8. A combination of electronic components designed to increase the power, voltage or current of a signal:
Select one:
a. master gain control
b. line filter
c. sensitivity
d. amplifier
Answer:
d. amplifier

Question:
9. What is the primary localization technique utilized for identification of a focus in a referential montage?
Select one:
a. Phase Reversal
b. Cancellation
c. Amplitude
d. Contaminated reference
Answer:
c. Amplitude